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Finding the Third Proportional to 90,636.75 and 136,504.13

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Solution

The third proportional to 90,636.75 and 136,504.13 is: 205,583.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,636.75 : 136,504.13 = 136,504.13 : x
  2. Step 2: Convert to fraction form
    90,636.75/136,504.13 = 136,504.13/x
  3. Step 3: Cross multiply
    90,636.75x = 136,504.13 × 136,504.13
  4. Step 4: Simplify right side
    90,636.75x = 18,633,376,142.02
  5. Step 5: Solve for x
    x = 18,633,376,142.02/90,636.75
  6. Step 6: Final answer
    x = 205,583.01

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.